ADTRAN IPR-S1000 Bedienungsanleitung PDF herunterladen (Seite 107)

TCP/IP or Transmission Control Protocol

A connection oriented protocol designed for operation on the Internet. Considered to

be a common language between otherwise incompatible computers.

TFTP

Trivial File Transfer Protocol. The simplified version of FTP. It enables file transfers

between two computers over a network (see RFC 1350).

Transponder

Electronic device in a communication satellite receiving information from an earth

station and re-sending it after frequency conversion and amplification to earth

station(s) or consumers; there is generally one transponder per RF channel.

Tuner

An adjustment for variable selection or tuning of a center frequency or channel.

UDLR

UniDirectional Link Routing. Standardized mechanism for integrating unidirectional

links in the Internet (see RFC 3077).

UNICAST

Unicast is communication between a single sender and a single receiver over a

network. The term exists in contradistinction to multicast, communication between a

single sender and multiple receivers.

UPLINK

Communication link from an earth station to a satellite, supplying the information to be

rebroadcast by one or more transponder(s).

USB

Universal Serial Bus. Serial 4-wire bus architecture for peripheral I/O ports, that

autosenses up to 128 peripherals at a distance of 5 m (16.4ft.) and at a maximum data

rate of 12 Mbps.

VSAT

Very Small Aperture Terminal. This is normally a two-way satellite transmission

system.

WAN

Wide-Area Network. A data-communications network spread accross a wide

geographic area and incorporating a large number of users. A WAN often uses

transmission devices provided by common carriers. Examples of WANs include Frame

Relay, SMDS, and X.25.

Watchdog

Device or software being used to supervise a particular event and acting (for example

giving alarm) in the event of abnormal operation.

WEB/WWW

Short for World Wide Web.

Wireless

Transmission without a physical connection between stations.

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ADTRAN IPR-S1000 Bedienungsanleitung Seite 107